.horizontal-container {
    display: flex;
    display: -webkit-box;
    display: -ms-flexbox;
    flex-direction: row;
    -webkit-flex-direction: row;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    justify-content: space-around;
}
.vertical-container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    /*方向*/
    -webkit-box-orient: vertical;
    box-orient: vertical;
    -moz-box-orient: vertical;
    flex-direction: column;
    -ms-flex-direction: column;
    -webkit-flex-direction: column;
    /*排列*/
    justify-content: center;
    align-items: center;
    -ms-flex-align: center;
    -ms-justify-content: center;
    -ms-flex: 1;
    /*old*/
    -webkit-box-align: center;
    box-align: center;
    /*new*/
    -webkit-align-items: center;
}
